English:
Upper Intermediate
Kiyoshi J.
Vetted by YouTeam
Japan
UTC +09:00
Asia/Tokyo
English:
Upper Intermediate
Vetted software engineer with 7 years of experience in developing web applications and dApps in the software development field.
Participated in 16+ small to large projects and gained rich experience in most web technologies. Proficient in both front-end side and back-end side and even have rich experience in DevOps. Eager to bring cutting-edge research to the real world and help build a platform for the next generation of cryptocurrency applications.
Want to hire this engineer?
Check if Kiyoshi is availableExpertise
Years of commercial development experience
7 years of experience
Core technologies
Other technologies
Project Highlights
Pegasus Metaverse MMORPG
May `21 - Present
3 years
Freelance
Developed Pegasus game token IDO project of Pegasus Metaverse MMORPG
Responsibilities & achievements
• Creation of HowToTube website (Video Platform) using React, Python, Flask, PostgreSQL, SQL Alchemy, and RESTful design as a full-stack web application. • Creating a modern tokenization platform TGT site using Next.js. • Created a SaaS website product using Laravel Spark + Vue.js. • Upgrading DigiCollect site for better performance using Vue.js and Django Framework. • Creating hybrid stable coin UXX site using Vue.js + GraphQL + PostgreSQL. • Passed Arc.dev's Silicon Valley-caliber vetting process and get certified. • NFT (Non-Fungible Token) Marketplace and Mint site Development. • Crypto Coins Exchange Development, ICO & IDO Development with Created Token. • Token development based on Ethereum and Binance (ERC20, ERC721, ERC 1155, BEP20, BEP721, BEP1155).
NDA
Aug `20 - Apr `21
8 months
SimplyPHP Inc.
Creation of Victoriabeckhambeauty e-commerce site using Vue.js, Netlify, Jamstack, and Shopify API in collaboration with Fostr.
Responsibilities & achievements
• Implement innovative ideas and designs to increase the brand's reach and effectiveness, growing revenue by 200% in key channels. • Designed and provided web solutions for a number of small businesses using WordPress, Jamstack CMSs, social network/Web APIs, and e-commerce pay modules. • Perform database defragmentation and use graphQL to optimize SQL queries, improving database performance and loading speed by 70%. • Architected and led a development team building core apps and NLP-based chatbots using React.js, Vue.js, GraphQL, and Node.js. • Revamped UI and interface of an e-commerce site that enhanced performance and improved load time by 45%. • Developed a dynamic and interactive website that ensured high traffic, page views, and user experience, resulting in a 40% increase in sales revenue.
NDA
Feb `19 - Aug `20
1 year
Optergy Sdn Bhd
Developed a React web app (DApp) for blockchain-based track and trade systems.
Responsibilities & achievements
• Introduced an IBFT consensus algorithm and contributed to a big mining pool on the AION network. • Developed new UI for website landing pages using React and designed HTML email templates, increasing email signups by 9% and email CTR rates by 20%. • Collaborated with project managers and other engineering groups to plan and prioritize projects and then break them into scrum epics and stories for my teams (agile). • Lead the development of 6 database projects for one of the company’s largest clients with on-time delivery and 18% under budget completion. • Upgrade the system to automate image optimization, achieving an average load time of 3 seconds or less with a bounce rate of 20-40%. • Successfully transform the team’s waterfall mindset to Agile by developing 20+ effective training materials for teams to understand Agile delivery. • Deliver guidance in all aspects of campaign creation from concept through on-time and on-budget completion of multiphase projects involving budgets up to $75,000.
NDA
Oct `17 - Feb `19
1 year
CMC Global
Web application for a company that works with insurance companies and radiologists.
Responsibilities & achievements
• Created a Django (Python) web application for a company that works with insurance companies and radiologists. The work included updating Django admin pages and working with bulk imports of CSV data. • Oversaw full lifecycle of software development for 9 projects with 100% on-time delivery while staying 5% under budget. • Deployed full-stack web applications to AWS EC2, and RDS. • Developed a web application for an IT support company that involved building Python back-end and JavaScript front-end. Also built charts to visually display information about client computers. • Designed and developed efficient and maintainable software according to the business objectives and needs of various clients.
NDA
Oct `15 - Sep `17
2 years
EGO Creative Innovations
Utilized jQuery, AJAX, and AngularJS to redesign the UI functionality of 5+ multi-threaded apps running on mobiles, tablets, and other touchscreen devices.
Responsibilities & achievements
• Software development using ElectronJS+Node.js+Vue.js for a Marijuana Medicinal company. • Maintained complex technology infrastructure and collaborated with the product team to implement new features and strategically plan for future products. • Conducted unit and load testing for high-profile customer-facing applications, which reduced system failure rate by 70%.
Education
Higher education in Computer Science
Agency
10-50
GMT+2
Antwerp/Belgium, Hamburg/Germany, Dubai/UAE, Poznan/Poland
Core Expertise
Industries
E-Commerce & Retail, Construction & Real estate, Healthcare & Medicine
Want to hire this engineer?
Check if Kiyoshi is available